html,body{
	height: 100%;
}
body{
	background: #fff;
	position: relative;
}
body, div,header,section,time, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, p,strong,span ,table,tr,td,th,thead{ 
	margin:0; 
	padding:0;
}
body{
	font-family: "微软雅黑";
	font-size: 12px;
}
img { 
	border:none; 
}
ol, ul { 
	list-style:none; 
}
a {
	text-decoration:none; 
}
a:hover {
	text-decoration:none; 
}
.clearfix:after{
	content:""; 
	visibility:hidden;  
	height:0;
	display:block;
	clear:both;
	overflow:hidden;
}
.clearfix{
	zoom:1;/*这个转为解决IE6的bug的*/
	margin: 0;
}
header,footer,nav,article,section,
aside,hgroup,time,address,output,figure,figcaption,dilog,
video,audio,canvas{
    display:block;
}
mark{
    display:inline;
}